Manhattan · Unit RES · BBL 1010711602

521 West 42nd Street, Unit RES

New York, NY 10036 · Manhattan

Also written as: 521 W 42nd St Apt RES · 521 West 42nd Street #RES · 521 W 42nd St Unit RES

Part of 521 West 42nd Street Condominium

Owner of record: THE 521 WEST 42ND ST CONDOMINIUM

Snapshot updated 2026-09-02 — open the app to refresh for live data.

Assessment (FY2027)

  • Assessed value: $4,280,852
  • Market value: $9,513,005
  • Tax class: 2

Building

  • Elevator apartment (D8)
  • Built 1987
  • 418 residential / 422 units
  • 44 floors
  • Zoning: C6-4
  • Lot area: 37,655 sf
  • Building area: 388,073 sf

Official records

ZoLa zoning · DOF property tax · Property Portal · ACRIS deeds/mortgages · DOB profile · Tax map · Map

All data sourced from NYC Department of Finance / PLUTO / ACRIS / HPD public records. https://www.sageops.ai/property/manhattan/521-west-42-street-res-1010711602

Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact